Powermate 040-0354RP Universal Replacement Single Stage Inline Twin Cylinder Oil Lubricated Pump - 3.7 RHP Universal Replacement for Single Stage 3.7-RPH Inline Twin Cylinder Air Compressor Pump CFM Ratings: 13.4 at 40 / 11.5 at 90 Aluminum Head and Valve Plate Help Dissipate Heat Features Automotive Style Ball Bearings Flywheel and Filters are Included